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If the lava is very hot, the gases can escape easily and eruptions are gentle. This is the case with Hawaiian volcanoes. If the lava is not so hot, the gases cannot escape easily and eruptions are more…

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The environmental costs of energy production Pollution of the environment due to the way we obtain and use energy produces adverse effects like the following. Acid rain Contaminating, harmful gas…

Final self-evaluation T03 06 - The industrialisation of European societies

Choose the correct answer: Which raw materials did the steam engine use? What was protectionism based on? What was Taylorism? In which part of the industrial city did the bourgeoisie live in?

The rise of Nazism in Germany

4.1. The Weimar Republic In 1918, after Germany was defeated in the First World War, Kaiser Wilhelm II abdicated and the Weimar Republic was proclaimed. Elections were held and a government was formed…

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¿Sabes qué es el Comercio Justo? | El Blog de Educación y TIC

Cada 11 de mayo se celebra en todo el mundo el Día Internacional del Comercio Justo, ¿conoces en qué consiste esta propuesta? ¡Te lo explicamos en este artículo!

Razón de los perímetros y de las áreas. Actividad 10

Halla la razón de proporcionalidad y la razón de las áreas entre un hexágono regular de lado 10 cm y otro hexágono regular de 15 cm de lado. La razón de proporcionalidad es y la de las áreas, .